Cooling
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22/9/2026
Swamp Cooler vs Air Conditioner in Colorado: What Actually Works Here
By the team at Homegrown Heating and Air Conditioning. The swamp cooler vs air conditioner question in Colorado has a real answer. Evaporative cooling works here because of one property of Front Range air, and it stops working on the days that property goes away. Here is what governs the decision, what each system costs...
22/9/2026
Snow Blocking a Furnace Vent: The Five Minutes That Prevent a No-Heat Call
By the team at Homegrown Heating and Air Conditioning. Snow blocking a furnace vent is the most common storm-related no-heat call we run in Northern Colorado, and one of the few HVAC problems a homeowner can check and often prevent without tools. It is a safety issue rather than a comfort issue. Below is what...
22/9/2026
How to Lower Your Heating Bill in Colorado This Winter
By the team at Homegrown Heating and Air Conditioning. The fastest way to lower your heating bill in Colorado is to shorten how long the furnace runs, and the cheapest lever for that is a setback schedule you actually keep. The Department of Energy puts the saving at around 10 percent a year on heating...
22/9/2026
Ice on a Heat Pump in Winter: What Is Normal and What Is Not
By the team at Homegrown Heating and Air Conditioning. Ice on a heat pump in winter is usually the system working, not failing. Frost on the outdoor coil in heating mode is expected, and the unit has a built-in process for clearing it. That is the most useful thing a first-winter heat pump owner here...
22/9/2026
HVAC Permit Requirements in Northern Colorado
By the team at Homegrown Heating and Air Conditioning. HVAC permit requirements in Colorado are not set by the state. They are set by the town, city or county that covers your address, which is why two bids on the same furnace can treat the paperwork completely differently. That gap matters before you choose a...
22/9/2026
How To Heat a Garage in Colorado
By the team at Homegrown Heating and Air Conditioning. Working out how to heat a garage in Colorado is not the same problem as heating a bedroom, and the difference is not the cold. It is what a garage holds: gasoline, solvents, paint thinner, a mower with fuel in it, and most days, a running...
22/9/2026
Furnace Blowing Cold Air: What to Check and When to Call
By the team at Homegrown Heating and Air Conditioning. If the furnace is running and the air at the register is cold, check the fan switch on your thermostat first. Set to ON instead of AUTO, the blower runs all the time, including the long stretches between heating cycles, and room-temperature air feels cold coming...
22/9/2026
Hot Upstairs, Cold Downstairs: Why a Two-Story Home Will Not Balance
By the team at Homegrown Heating and Air Conditioning. Hot upstairs, cold downstairs is a building problem before it is an equipment problem. The furnace is usually working exactly as designed. The house is separating itself into layers, and it does that hardest on the coldest days of the year. We hear it from two-story...
22/9/2026
Furnace Banging Noise When It Starts: What It Means
By the team at Homegrown Heating and Air Conditioning. A single loud bang or boom a few seconds after the furnace fires is not a rattle you can live with. It is almost always delayed ignition, which means gas collected in the burner box for a moment before it lit and then all of it...
Colorado’s Low-NOx Furnace Law: What Changed on January 1, 2026
By the team at Homegrown Heating and Air Conditioning. The Colorado low-NOx furnace law is real, it took effect January 1, 2026, and it does not require you to replace a working furnace. That last point is why most people land on a page like this. Below is what the statute says, where the number...